Problems on Trains on Arithmetic Aptitude related Questions and Answers

Question :   A train covers a distance of 10 km in 12 minutes. If its speed is decreased by 5 km/hr the time taken by it to cover the same distance will be 1. 10 min. 50 sec 2. 12 min. 3. 13 min. 20 sec 4. 10 min. 30 sec Answer :   3 - 13 min. 20 sec